Bioaccumulation requires one organism, while biomagnification requires multiple organisms Biomagnification requires movement up a food chain in order to occur, while bioaccumulation does not To unlock this lesson you must be a Study.com Member.
The weighted average price for organic half gallon milk is $3.72. For a conventional half gallon of milk, the average. price is $2.33, an organic price premium of $1.39. Once again, there were more total ads for organic milk than. conventional milk. Organic milk advertisement numbers decreased 7%, and ad numbers for conventional milk. decreased 12%.
1 The national average price of gas in September was $2.34 per gallon, which was the lowest monthly average since February 2015. 2  By comparison, the average price of gas in September 2014 was $3.39 per gallon.his is the first time that three states have had averages below $2 since February. The national average price for regular unleaded gasoline has fallen for 28 consecutive days, reaching todayâs price of $2.33 per gallon.